Bently Nevada 200157-13-05 Enveloping Trendmaster Pro Accelerometer

Product Introduction

When roller element bearings begin to fail or cavitation effects threaten machinery reliability, the Bently Nevada 200157-13-05 Enveloping Trendmaster Pro accelerometer delivers targeted vibration monitoring. This sensor is engineered for use with the ProTIM option, providing standard acceleration-to-velocity with acceleration enveloping channel type (-06). By focusing on the specific frequency signatures of bearing defects and cavitation, the 200157-13-05 helps maintenance teams detect problems early, reducing unplanned downtime and repair costs.

Technical Specifications Breakdown

The 200157-13-05 accelerometer offers a sensitivity of 10.2 mV/(m/s²) (100 mV/g) at 80 Hz, ensuring precise measurement of vibration signals. Its measurement range of ±245 m/s² (±25 g) covers the typical amplitude levels found in rotating machinery. The frequency range spans 10 to 10,000 Hz (600 to 600,000 cpm), making it suitable for monitoring bearing defects and cavitation. With a mounted resonant frequency above 20 kHz (>1200 kcpm), the sensor avoids resonance interference in the measurement band. Amplitude linearity within ±2% (1 to 10 g pk) ensures consistent accuracy across the operating range, directly translating to reliable data for cost-effective maintenance decisions.

Industry Applications

In industries such as power generation, petrochemical, and pulp and paper, the 200157-13-05 is applied to monitor roller element bearings in pumps, motors, fans, and compressors. Its ability to detect cavitation effects in fluid-handling equipment helps prevent impeller damage and efficiency loss. By integrating this accelerometer into a condition monitoring program, facilities can shift from reactive repairs to predictive maintenance, reducing spare parts inventory and emergency labor costs.

Installation & Setup Guidance

Proper mounting is critical for accurate vibration data. The 200157-13-05 features a 3/8-24 female mounting thread and includes a mounting stud option of 13 3/8-24 to 5/16-18 UNC, 3/4 inch hex stud. Apply a mounting torque of 2.7 to 6.8 N·m (2 to 5 ft·lbf) to ensure a secure, repeatable connection. The sensor operates with an excitation voltage of 4.7 to 5.5 Vdc and draws a quiescent current of less than 800 µA. Allow up to 300 ms settling time after power-up for the output bias voltage of +2.5 ± 0.23 Vdc to stabilize.

Maintenance & Reliability

The 200157-13-05 is built with a hermetically sealed 316L stainless steel housing, achieving a sealing rate of 5×10⁻⁸ atm·cc/s maximum. It operates in 100% relative humidity (condensing, non-submerged) and withstands axial shock up to 49,050 m/s² pk (5,000 g pk). The temperature range of -40°C to +105°C (-40°F to +221°F) covers most industrial environments. These robust specifications reduce the need for frequent sensor replacement, lowering total cost of ownership over the equipment lifecycle.

Selection Guide & Purchasing Advice

Before ordering the Bently Nevada 200157-13-05, verify that your monitoring system supports the acceleration enveloping channel type and the ProTIM option. The sensor is approved with CSA, ATEX, and IECEx certifications, making it suitable for hazardous area installations. For complete technical specifications and current availability, contact BluePLC Industrial. Our team can help confirm compatibility with your existing Bently Nevada hardware and recommend the correct mounting accessories for your application.